Plumbeous Ibis
Theristicus caerulescens

The plumbeous ibis, also formerly called the blue ibis, is a large distinctive ibis species endemic to parts of central South America. Source
Where it is now
In the last 8 weeks this bird was recorded 818 times across 2 areas (each area is a 5 degree square).
See the Plumbeous Ibis on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in South America ranged from 32°S in July to 18°S in April, about 1,600 km apart.
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| South America | 9 February 2026 | 16 March 2026 | 6 April 2026 | 2 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.